Welcome to our dedicated page for Automatic Data Processing SEC filings (Ticker: ADP), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings page for Automatic Data Processing, Inc. (ADP) (Nasdaq: ADP) on Stock Titan brings together the company’s official regulatory disclosures, giving investors and researchers a structured view of how this global HR and payroll solutions provider reports to the U.S. Securities and Exchange Commission.
ADP’s filings include current reports on Form 8‑K, which cover material events such as the availability of quarterly and annual earnings releases, entry into significant credit agreements, and outcomes of the Annual Meeting of Stockholders. Recent 8‑K filings describe the results of shareholder votes on director elections, advisory resolutions on executive compensation, and the ratification of the independent registered public accounting firm, as well as the establishment of new 364‑day and five‑year credit facilities for general corporate purposes.
The company’s definitive proxy statement on Form DEF 14A provides detail on corporate governance, board composition, committee structure, and executive compensation programs. It outlines matters submitted to shareholders, including director elections, say‑on‑pay votes, and the appointment of the external auditor. For investors analyzing governance and pay practices, this document is a key reference.
On Stock Titan, ADP’s SEC filings are paired with AI‑powered summaries designed to explain the significance of lengthy or technical documents. Users can quickly understand the main points of annual and quarterly reports, proxy statements, and material 8‑Ks, while still having access to the full text for deeper review. The filings page also surfaces information relevant to questions about ADP’s capital structure, debt facilities, shareholder voting outcomes, and other regulatory disclosures, helping users navigate the company’s reporting history more efficiently.
Automatic Data Processing Inc ownership disclosure: The Vanguard Group amended its Schedule 13G to report that, after an internal realignment, it and its disaggregated subsidiaries hold Amount beneficially owned: 0 shares of Common Stock, representing Percent of class: 0 %. The amendment explains that on January 12, 2026 certain Vanguard subsidiaries will report beneficial ownership separately in reliance on SEC Release No. 34-39538. The filing is signed by Ashley Grim, Head of Global Fund Administration, on 03/26/2026.
AUTOMATIC DATA PROCESSING INC corporate vice president Christopher D’Ambrosio reported an open-market sale of 543 shares of Common Stock at $208.45 per share. The transaction took place on March 16, 2026 and is classified as a direct disposition.
After the sale, D’Ambrosio directly holds 8,912.23 ADP shares, indicating he retained a substantial equity stake. The filing notes the trade was executed under a Rule 10b5-1 trading plan adopted in September 2025, suggesting the sale was pre-scheduled rather than opportunistic.
ADP affiliate filed Form 144 to sell shares. The filing reports proposed sales of 543 shares of Common stock, with prior sales of 543 shares on 01/13/2026 for $142,423.47 and 543 shares on 02/17/2026 for $115,349.49.
The record lists broker/dealer Fidelity Brokerage Services LLC and multiple earlier compensatory issuances and option exercises recorded by the filer. The filing is a routine affiliate resale notice under Form 144.
AUTOMATIC DATA PROCESSING INC corporate vice president Christopher D'Ambrosio reported an open-market sale of 543 shares of common stock. The shares were sold at an average price of $212.43 per share on February 17, 2026 under a Rule 10b5-1 trading plan adopted in September 2025. After this transaction, he directly holds 9,455.23 ADP common shares.
Automatic Data Processing insider Christopher D'ambrosio has filed to sell 543 shares of ADP common stock through Fidelity Brokerage Services LLC on NASDAQ. The filing lists an aggregate market value of 115349.49 for these shares, compared with 402644364 ADP common shares outstanding.
The shares to be sold were originally acquired as compensation through restricted stock vesting from the issuer, with 274 shares vesting on 09/01/2019 and 269 shares vesting on 09/01/2020. Over the past three months, D'ambrosio has already sold 543 ADP common shares on 01/13/2026 for gross proceeds of 142423.47.
By signing the notice, the seller represents that he does not know any material adverse information about ADP's current or prospective operations that has not been publicly disclosed, as required under Rule 144 and any applicable Rule 10b5-1 trading plans.
Automatic Data Processing executive Brian L. Michaud, an Executive VP, reported a pre‑planned sale of common stock. On February 6, 2026, he sold 1,000 shares of ADP common stock in an open market transaction at $234.18 per share.
The filing states this trade was executed under a Rule 10b5‑1 trading plan adopted in September 2025, indicating it was scheduled in advance. After the transaction, Michaud beneficially owned 15,310.3519 shares of ADP common stock, held directly.
Automatic Data Processing corporate vice president David Foskett reported a small planned share sale under a pre-set trading plan. On 02/05/2026, he sold 266 shares of ADP common stock at $237 per share pursuant to a Rule 10b5-1 trading plan adopted in September 2025. After this transaction, he beneficially owned 10,953.5209 ADP common shares in direct ownership.
Automatic Data Processing insider plans to sell 1,000 common shares under Rule 144. The shares are to be sold through Fidelity Brokerage Services on the NASDAQ, with an aggregate market value of 234,180.00 and total shares outstanding of 402,644,364.
The 1,000 shares were acquired on 09/01/2019 through restricted stock vesting from the issuer as compensation, with payment also dated 09/01/2019. The seller represents that they do not know of any undisclosed material adverse information about the issuer’s current or prospective operations, as required for this notice.
A holder of ADP common stock has filed a notice of proposed sale under Rule 144 to sell 266 shares through Fidelity Brokerage Services on the NASDAQ, with an approximate sale date of February 5, 2026 and an aggregate market value of $63,042.00.
The shares are part of ADP’s common stock, which had 402,644,364 shares outstanding at the time referenced. The seller acquired these 266 shares on January 30, 2026 through restricted stock vesting from the issuer as compensation, and represents not having undisclosed material adverse information about ADP.
Automatic Data Processing executive reports routine share disposition. Executive VP Brian L. Michaud reported disposing of 131.872 shares of ADP common stock on 02/02/2026 at $246.82 per share. After this transaction, he directly beneficially owned 16,310.3519 shares of ADP common stock.